Answer:
Electromagnetic waves can travel through a vacuum, that is an empty space, whereas mechanical waves cannot. They need a medium to travel such as water or air. Ripples in a pond are an example of mechanical waves whereas electromagnetic waves include light and radio signals, which can travel through the vacuum of space.
Explanation:
Answer:
atmospheric nitrogen converted into early water vapor which was later pressurized into liquid
The process of importing free dna from the environment is called _transformation_.
The type of dna uptake that is dependent on viruses is called _transduction_.
The type of dna uptake that is dependent on transferable plasmids is called _cconjugation_.
Answer:
D or C ( I am going with D)
Explanation:
I believe it would be c or d
